Simplex's Curved Linear Series can be offers with the Linar or the "D" Series. With interlocking PVC filler strip, the Linar Series' flexibility allows for exciting architectural design with the benefit of clean, durable, sound absorbing ceiling. The "D" Series, integral filler strip, various splicing components and perimeter details result in a ceiling that offers good design as well as pragmatic use of a major interior surface. Accessibility System can be supplied with an access door for easy access to the plenum. Linar & "D" Panels Roll formed rectangular shapes, are available in a wide range of sizes - Contact us for more information (800-638-5726) or our Agent representative in your area for more details of this system capabilities and limitations. Perforations Linar Series has no perforated panel. "D" Series comes only in standard perforation AL-21. Please consult the factory Perforations link for more information. Finishes Select from Simplex Ceilings standards for Linar Series or for "D" Series. Please consult the factory Finishes link for more information. Acoustics for "D" Series Come with black acoustical textile membrane laminated to back of perforated panel. Please consult the Acoustical link for more information. Fire Rating All metal pans and associated suspension systems are Class I, 0-25 Flame Spread, as tested in accordance with ASTM E84. For more technical details, please refer to our Architectural Specifications and/or Technical Data links. Contact us (800-638-5726) or our Agent representative in your area.